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D. brevicomis. Binomial name. Dendroctonus brevicomis. LeConte, 1876. Dendroctonus brevicomis, the western pine beetle, is a species of crenulate bark beetle in the family Curculionidae. It is found in North America [1][2][3] and parts of Mexico. [4] It is known as a destructive pest of ponderosa and Coulter pine trees. [5]
The mountain pine beetle (Dendroctonus ponderosae) is a species of bark beetle native to the forests of western North America from Mexico to central British Columbia. It has a hard black exoskeleton, and measures approximately 5 millimetres (1⁄4 in), about the size of a grain of rice. In western North America, an outbreak of the beetle and ...
The southern pine beetle (Dendroctonus frontalis), a bark beetle, is a major threat to pine trees in the southeastern United States. Its reproductive cycle is controlled by varying ratios of certain natural chemicals, including verbenone. To reproduce, pine bark beetles aggregate in large numbers in their host pine trees.
The western conifer seed bug (Leptoglossus occidentalis), sometimes abbreviated as WCSB, is a species of true bug (Hemiptera) in the family Coreidae. It is native to North America west of the Rocky Mountains (California to British Columbia, east to Idaho Minnesota and Nevada) but has in recent times expanded its range to eastern North America ...
Western white pine is a large tree, regularly growing to 30–50 metres (98–164 ft) tall. It is a member of the white pine group, Pinus subgenus Strobus, and like all members of that group, the leaves ('needles') are in fascicles (bundles) of five, [5] with a deciduous sheath. The needles are finely serrated, [5] and 5–13 cm (2–5 in) long.
Description. Common names include pine sawyer, western pine sawyer, spined woodborer, and ponderosa pine borer. [2] A taxonomic synonym is Ergates spiculatus. [2] This beetle species develops on fallen ponderosa pines and Douglas firs. [3] T. spiculatus is the largest species of wood boring beetle in Colorado.
You can call the California Department of Food and Agriculture Exotic Pest Hotline at 1-800-491-1899. You can also email photos of the bugs and the location of the sighting to pesthotline@cdfa.ca.gov.
Frontalin acts as an insect pheromone in bark beetles of the genus Dendroctonus, including Dendroctonus frontalis (Southern Pine Beetle) and Dendroctonus brevicomis (Western Pine Beetle), as well as the Mountain Pine Beetle. The biologically active form is predominantly (-)-frontalin. [1] However, (+)-frontalin also occurs in some cases.
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